Wilhelm mtjmbrauer



(No Model.) I' W. MUMBRAUER.

MERRY-GO-ROUND.

Patented Peb. zo, 1894.

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NITE STATES ATENT Trice.

WILHELM MUMBRAUER, OF NEW YORK, N. Y.

IVIEFRY-CO-ROUNDIl SPECIFICATION forming part of Letters Patent No.515,088, dated February 20, 1894.

Application filed November 23, 1893. Serial No. 491,719- (No model.)

To all whom it may concern-.-

Be it known that I, WILHELM MUMBRAUER, of the city of New York, countyand State of New York, have invented an Improved Merry- Go-Round, ofwhich the following is a speciiicaton.

This invention relates to a merry go round provided with two platformsthat revolve in opposite directions.

In the accompanying drawings: Figure 1 is a vertical central section ofmy improved merry go round. Fig. 2 is a horizontal section through partof the same, on line m, oc, Fig. 1.

The letter d, represents the upright stationary post of the merry goround lirmlysecured to the ground or to arbase. Around the post a,revolves an upper annular platform b, and a lower annular platform c,which is so much larger than the upper platform, that it eX- `tendsbeyond the outer edge of the same to a considerable extent. A flange b'of platform b, extends over the inner edge of platform c, to conceal thesame. The upper platform b, is supported upon a collar d, by means ofbraces d', the collar d, being free to revolve upon a fixed collar ct',of post a. Motion is imparted to platform b, from a power shaft e, andbevel gear e', e2, the wheel c2, being perforated for the passage of thebraces d', to which such wheel is bolted.

To the platform b, there is secured the cog wheel f, revolving with theplatform and meshing into the cog wheel f', of an upright shaft f2, theupper cog wheel f3, of which engages an internally toothed spur gear f4,Secured to the revoluble roof g. To this roof the lower platform c, issecured by means of the hanger c'. A fixed central platform h, issecured to the post a, by means of radial arms h', and hangers h2, andcovers the central opening of the upper annular platform b.

In use, motion is imparted to the merry go round from the power shaft,so as to revolve the two platforms l), c, in opposite directions and atvarying speed, so that a novel and pleasing effect is attained.

1. The combination of an inner revoluble platform b, with a cog wheel f,secured thereto, a revoluble roof g, a spur gear f4, secured thereto, anupright shaft f2, intergeared with wheels f, f4, and an outer platformc, suspended from the roof, substantially as specified.

2. The combination in a merry go round of the following elements:platforms b, c, collar d, braces d', cog wheels e', e2, f, f, rod f2,cog

wheels f3, f4, roof g, and hangers c', substantially as specified.

WILHELM MUMBRAUER.

Witnesses:

WM. SCHULZ, F. v. BRIEsnN.

